Merge pull request #36 from mkoeppe/cython3

Add 'noexcept' for Cython 3

PARIKernel/io.pyx

@@ -31,22 +31,22 @@ cdef extern from "Python.h":
 cdef PARIKernelIO io
 
 
-cdef void out_putch(char c) with gil:
+cdef void out_putch(char c) noexcept with gil:
     io.stdout_stream.write(PyUnicode_FromStringAndSize(&c, 1))
 
-cdef void out_puts(const char* s) with gil:
+cdef void out_puts(const char* s) noexcept with gil:
     io.stdout_stream.write(PyUnicode_FromString(s))
 
-cdef void out_flush() with gil:
+cdef void out_flush() noexcept with gil:
     io.stdout_stream.flush()
 
-cdef void err_putch(char c) with gil:
+cdef void err_putch(char c) noexcept with gil:
     io.stderr_stream.write(PyUnicode_FromStringAndSize(&c, 1))
 
-cdef void err_puts(const char* s) with gil:
+cdef void err_puts(const char* s) noexcept with gil:
     io.stderr_stream.write(PyUnicode_FromString(s))
 
-cdef void err_flush() with gil:
+cdef void err_flush() noexcept with gil:
     io.stderr_stream.flush()
 
 

PARIKernel/kernel.pyx

@@ -38,7 +38,7 @@ DEF PRIMELIMIT = 500000
 # Global setjmp() context for error handling
 cdef sigjmp_buf context
 
-cdef void pari_recover(long numerr) nogil:
+cdef void pari_recover(long numerr) noexcept nogil:
     siglongjmp(context, numerr)
 
 # Global PARI readline interface

PARIKernel/svg.pyx

@@ -30,7 +30,7 @@ def init_svg(kernel):
     pari_set_plot_engine(get_plot)
 
 
-cdef void get_plot(PARI_plot* T) nogil:
+cdef void get_plot(PARI_plot* T) noexcept nogil:
     # Values copied from src/graph/plotsvg.c in PARI sources
     T.width = 480
     T.height = 320
@@ -42,7 +42,7 @@ cdef void get_plot(PARI_plot* T) nogil:
     T.draw = draw
 
 
-cdef void draw(PARI_plot *T, GEN w, GEN x, GEN y) nogil:
+cdef void draw(PARI_plot *T, GEN w, GEN x, GEN y) noexcept nogil:
     global avma
     cdef pari_sp av = avma
     cdef char* svg = rect2svg(w, x, y, T)